At around 30:00, he talks about why Angular's two-way binding is evil, and why React's approach makes more sense. In short, two-way binding means there is no single “source of truth”. That makes debugging and non-trivial interaction very difficult. React solves this problem by always having one source of truth—component's `props` and `state`.
At around 30:00, he talks about why Angular's two-way binding is evil, and why React's approach makes more sense. In short, two-way binding means there is no single “source of truth”. That makes debugging and non-trivial interaction very difficult. React solves this problem by always having one source of truth—component's `props` and `state`.